Arc welding method and apparatus for arc welding

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United States of America Patent

PATENT NO 9132501
APP PUB NO 20120043307A1
SERIAL NO

13146320

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Abstract

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An electric arc welding method is provided, wherein an electrode assembly comprises at least two fusible continuous electrodes acting on a workpiece for generating a weld pool via electric arcs, wherein the at least two electrodes are arranged in sequential order relative to a welding direction and laterally separated relative to each other, wherein steps are performed of monitoring at least one stability parameter (Stab_par) for each electrode of the electrode assembly; determining if one electrode of the electrode assembly violates a stability criterion (Crit); separating at least temporarily the one electrode violating the stability criterion (Crit) from one or more adjacent electrodes when a violation of the stability criterion (Crit) of the one electrode is detected.

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Patent Owner(s)

Patent OwnerAddress
ESAB ABLINDHOLMSALLÉN 9 BOX 8004 GOTHENBURG 402 77

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Andrén, Ulf Röfors, SE 1 6
Johansson, Tomas Laxå, SE 14 91
Lennartsson, Daniel Örebro, SE 1 6
Melin, Bo Laxå, SE 4 26

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